10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 70Sstevel@tonic-gate * with the License. 80Sstevel@tonic-gate * 90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 110Sstevel@tonic-gate * See the License for the specific language governing permissions 120Sstevel@tonic-gate * and limitations under the License. 130Sstevel@tonic-gate * 140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 190Sstevel@tonic-gate * 200Sstevel@tonic-gate * CDDL HEADER END 210Sstevel@tonic-gate */ 22132Srobinson 230Sstevel@tonic-gate /* 24*1219Sraf * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25132Srobinson * Use is subject to license terms. 260Sstevel@tonic-gate */ 270Sstevel@tonic-gate 280Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 290Sstevel@tonic-gate 30*1219Sraf #include "mt.h" 310Sstevel@tonic-gate #include "rpc_mt.h" 320Sstevel@tonic-gate #include <stdio.h> 330Sstevel@tonic-gate #include <fcntl.h> 340Sstevel@tonic-gate #include <sys/types.h> 350Sstevel@tonic-gate #include <sys/socket.h> 360Sstevel@tonic-gate #include <unistd.h> 370Sstevel@tonic-gate #include <net/if.h> 380Sstevel@tonic-gate #include <sys/sockio.h> 390Sstevel@tonic-gate 400Sstevel@tonic-gate /* 410Sstevel@tonic-gate * Determine if we have a configured interface for the specified address 420Sstevel@tonic-gate * family. 430Sstevel@tonic-gate */ 440Sstevel@tonic-gate int __can_use_af(sa_family_t af)45132Srobinson__can_use_af(sa_family_t af) 46132Srobinson { 470Sstevel@tonic-gate struct lifnum lifn; 480Sstevel@tonic-gate int fd; 490Sstevel@tonic-gate 50132Srobinson if ((fd = open("/dev/udp", O_RDONLY)) < 0) 510Sstevel@tonic-gate return (0); 520Sstevel@tonic-gate lifn.lifn_family = af; 53132Srobinson /* XXX Remove this after fixing 6204567 */ 54132Srobinson /* CONSTCOND */ 550Sstevel@tonic-gate lifn.lifn_flags = IFF_UP & !(IFF_NOXMIT | IFF_DEPRECATED); 56132Srobinson if (ioctl(fd, SIOCGLIFNUM, &lifn, sizeof (lifn)) < 0) 570Sstevel@tonic-gate lifn.lifn_count = 0; 580Sstevel@tonic-gate 590Sstevel@tonic-gate (void) close(fd); 600Sstevel@tonic-gate return (lifn.lifn_count); 610Sstevel@tonic-gate } 62